CVE-2025-15621
Sparx Enterprise Architect Client does not verify the receiver of OAuth2 credentials during OpenID authentication
Insufficiently Protected Credentials in Sparx Systems Pty Ltd. Sparx Enterprise Architect. Client does not verify the receiver of OAuth2 credentials during OpenID authentication
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.7
Sparx Enterprise Architect Client does not verify the receiver of OAuth2 credentials during OpenID authentication
Insufficiently Protected Credentials in Sparx Systems Pty Ltd. Sparx Enterprise Architect. Client does not verify the receiver of OAuth2 credentials during OpenID authentication
- Record
CVE-2025-15621- CVSS 4.0
- 5.7 Medium
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/S:P/AU:Y/V:C/RE:M - Weakness
- CWE-522
- Updated
- 2026-11-02
EUVDEUVD-2025-209499
5.7
Insufficiently Protected Credentials in Sparx Systems Pty Ltd. Sparx Enterprise Architect. Client does not verify the receiver of OAuth2 credentials during OpenID authentication
- Record
EUVD-2025-209499- CVSS 4.0
- 5.7 Medium
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/S:P/AU:Y/V:C/RE:M - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-g8rx-2jmm-3847
5.7
Insufficiently Protected Credentials in Sparx Systems Pty Ltd. Sparx Enterprise Architect. Client...
Insufficiently Protected Credentials in Sparx Systems Pty Ltd. Sparx Enterprise Architect. Client does not verify the receiver of OAuth2 credentials during OpenID authentication
- Record
GHSA-g8rx-2jmm-3847- CVSS 4.0
- 5.7 Medium
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:X/V:C/RE:M/U:X - CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-522
- Updated
- 2026-11-02
NVD
5.7
Insufficiently Protected Credentials in Sparx Systems Pty Ltd. Sparx Enterprise Architect. Client does not verify the receiver of OAuth2 credentials during OpenID authentication
- Record
CVE-2025-15621- CVSS 4.0
- 5.7 Medium
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:X/V:C/RE:M/U:X - CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-522
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-15621 is a medium vulnerability (CVSS 5.7) in Sparx Systems Pty Ltd. Enterprise Architect, published April 16, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. No source names a fixed version.